.org-tree-container {
    display: inline-block;
    padding: 15px;

    .org-tree {
        display: table;
        text-align: center;

        &:before, &:after {
            content: '';
            display: table;
        }

        &:after {
            clear: both;
        }
    }

    .org-tree-node,
    .org-tree-node-children {
        position: relative;
        margin: 0;
        padding: 0;
        list-style-type: none;

        &:before, &:after {
            transition: all .35s;
        }
    }

    .org-tree-node-label {
        position: relative;
        display: inline-block;
        z-index: 1;

        .org-tree-node-label-inner {
            padding: 10px 15px;
            text-align: center;
            border-radius: 3px;
            box-shadow: 0 1px 5px rgba(0, 0, 0, .15);
        }
    }

    .org-tree-node-btn {
        position: absolute;
        top: 100%;
        left: 50%;
        width: 20px;
        height: 20px;
        z-index: 10;
        margin-left: -10px;
        margin-top: 10px;
        background-color: #ffffff;
        border: 1px solid #ccc;
        border-radius: 50%;
        box-shadow: 0 0 2px rgba(0, 0, 0, .15);
        cursor: pointer;
        transition: all .35s ease;

        &:hover {
            background-color: #e7e8e9;
            transform: scale(1.15);
        }

        &:before, &:after {
            content: '';
            position: absolute;
        }

        &:before {
            top: 50%;
            left: 4px;
            right: 4px;
            height: 0;
            border-top: 1px solid #ccc;
        }

        &:after {
            top: 4px;
            left: 50%;
            bottom: 4px;
            width: 0;
            border-left: 1px solid #ccc;
        }

        &.expanded:after {
            border: none;
        }
    }

    .org-tree-node {
        padding-top: 20px;
        display: table-cell;
        vertical-align: top;

        &.is-leaf, &.collapsed {
            padding-left: 10px;
            padding-right: 10px;
        }

        &:before, &:after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 50%;
            height: 19px;
        }

        &:after {
            left: 50%;
            border-left: 1px solid #ddd;
        }

        &:not(:first-child):before,
        &:not(:last-child):after {
            border-top: 1px solid #ddd;
        }

    }

    .collapsable .org-tree-node.collapsed {
        padding-bottom: 30px;

        .org-tree-node-label:after {
            content: '';
            position: absolute;
            top: 100%;
            left: 0;
            width: 50%;
            height: 20px;
            border-right: 1px solid #ddd;
        }
    }

    .org-tree > .org-tree-node {
        padding-top: 0;

        &:after {
            border-left: 0;
        }
    }

    .org-tree-node-children {
        padding-top: 20px;
        display: table;

        &:before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            width: 0;
            height: 20px;
            border-left: 1px solid #ddd;
        }

        &:after {
            content: '';
            display: table;
            clear: both;
        }
    }

    .horizontal {
        .org-tree-node {
            display: table-cell;
            float: none;
            padding-top: 0;
            padding-left: 20px;

            &.is-leaf, &.collapsed {
                padding-top: 10px;
                padding-bottom: 10px;
            }

            &:before, &:after {
                width: 19px;
                height: 50%;
            }

            &:after {
                top: 50%;
                left: 0;
                border-left: 0;
            }

            &:only-child:before {
                top: 1px;
                border-bottom: 1px solid #ddd;
            }

            &:not(:first-child):before,
            &:not(:last-child):after {
                border-top: 0;
                border-left: 1px solid #ddd;
            }

            &:not(:only-child):after {
                border-top: 1px solid #ddd;
            }

            .org-tree-node-inner {
                display: table;
            }

        }

        .org-tree-node-label {
            display: table-cell;
            vertical-align: middle;
        }

        &.collapsable .org-tree-node.collapsed {
            padding-right: 30px;

            .org-tree-node-label:after {
                top: 0;
                left: 100%;
                width: 20px;
                height: 50%;
                border-right: 0;
                border-bottom: 1px solid #ddd;
            }
        }

        .org-tree-node-btn {
            top: 50%;
            left: 100%;
            margin-top: -11px;
            margin-left: 9px;
        }

        & > .org-tree-node:only-child:before {
            border-bottom: 0;
        }

        .org-tree-node-children {
            display: table-cell;
            padding-top: 0;
            padding-left: 20px;

            &:before {
                top: 50%;
                left: 0;
                width: 20px;
                height: 0;
                border-left: 0;
                border-top: 1px solid #ddd;
            }

            &:after {
                display: none;
            }

            & > .org-tree-node {
                display: block;
            }
        }
    }
}
